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How to convert string to boolean php
... (zero)
the float 0.0 (zero)
the empty string, and the string "0"
an array with zero elements
an object with zero member variables (PHP 4 only)
the special type NULL (including unset variables)
SimpleXML objects created from empty tags
Every other value is considered TRUE (includ...
How do I get a list of all the duplicate items using pandas in python?
...ou actually do not have to add == True, .duplicated() already returns bool array.
– Jakub Wagner
Apr 9 at 7:36
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How to validate a url in Python? (Malformed or not)
...alse.") prints "I am false." so empty lists are False. The contents of the array needs evaluation with something like the all function.
– dmmfll
Nov 11 '16 at 14:50
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
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Good, it works. But it's not working for an array of vectors: for e.g: vector<int> A[n];
– ABcDexter
Dec 28 '14 at 7:51
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How do you round UP a number in Python?
...CPython 3.7.2), though oddly, when only the numerator is large enough that array based math is needed, your approach is slower; not clear why this is, since the division work should be similar and two unary negations should be cheaper than addition + subtraction.
– ShadowRanger...
JavaScript before leaving the page
... Form Serialize function, this will collect all form inputs and save it in array. I guess this explain is enough :)
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How do I write a for loop in bash
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if we have a variable like ArrayLength=${#array[@]} how do we use it in here instead of max?
– Kasun Siyambalapitiya
Dec 2 '16 at 10:44
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Deleting multiple elements from a list
...t()
# Returns: ['l', '42', 'u']
If you don't mind ending up with a numpy array at the end, you can leave out the .tolist(). You should see some pretty major speed improvements, too, making this a more scalable solution. I haven't benchmarked it, but numpy operations are compiled code written in ei...
Is there a fixed sized queue which removes excessive elements?
...ixed size queue this way:
public class LimitedSizeQueue<K> extends ArrayList<K> {
private int maxSize;
public LimitedSizeQueue(int size){
this.maxSize = size;
}
public boolean add(K k){
boolean r = super.add(k);
if (size() > maxSize){
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How to trigger a click on a link using jQuery
...ById('test1').click(); // Works!
Or by accessing the jQuery object as an array
$('#test1')[0].click(); // Works too!!!
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